H. William Bill Dettmer is the author of seven books on constraint and complex system management, including The Logical Thinking Process and Brainpower Networking Using the Crawford Slip Method. Over his 25-year consulting career, his clients include United Health Group, Raytheon Missile Systems, U.S. Air Force Software Technology Center, Seagate Technology, U.S. Navy Sea Systems Command, Lucent Technologies (both in Europe and the US), Western Digital Corporation, NEC America, INESA and ICI/Inca Corporations (South America), Orrcon Ltd. (Australia), Qualiplus, S.A. (Brazil), Bayer GmbH (Germany), and Osram GmbH (Germany). A retired US Air Force command pilot, Bill has 4,000 hours of multi-engine jet flying time and 75 combat missions to his credit. He holds a BA degree from Rutgers University and a Master of Science degree in Systems Management from the University of Southern California, where he also taught graduate courses in the same program for seven years. Bill is the foremost expert in the world on the logical thinking process developed by E.M. Goldratt.